Email communication is not happening between groups when both the groups inbound email is added in CC's

Infos:

  • Used Zammad version: 6.5.0-1749479096.931d2586.noble
  • Used Zammad installation type: (source, package, docker-compose, …) Source
  • Operating system: Ubuntu
  • Browser + version: Chrome

Expected behavior:

Actual behavior:

Steps to reproduce the behavior: